xǔ / duō / xué / shēng / tōng / guò / Měi / Yǔ / háng / jú / de / wǎng / zhàn / liǎo / jiě / háng / tiān / zhī / shí

许多学生通过美宇航局的网站了解航天知识。

Many students learn about space science through NASA's website.